Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.02,
    "vintage_probability": 0.015,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.875,
    "seller_misidentification_probability": 0.03,
    "confidence": 0.93,
    "recommended_max_bid": 10,
    "estimated_resale_low": 12.5,
    "estimated_resale_high": 37.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 4: rear metal plaque visibly reads KURT GEIGER, identifying a different brand",
        "photo 1: prominent decorative owl\/eagle-style clasp and quilted geometric design do not match documented vintage Coach construction",
        "photo 1: bright silver-tone chain strap, including chain covered in protective plastic, is inconsistent with typical vintage Coach brass-hardware classics",
        "photo 5: black synthetic-looking textile lining is visible; no vintage Coach creed patch is shown",
        "photo 2: hardware is bright plated silver\/black tone rather than the solid brass commonly used on vintage Coach classics",
        "listing title: seller describes the item as brand new and unbranded, but the photos show a visible Kurt Geiger brand plaque",
        "photo 3: metal plaque on back reads KURT GEIGER LONDON, not COACH",
        "photo 1,2,6: quilted chevron flap with jeweled bird-head clasp - not a Coach silhouette or turnlock geometry",
        "photo 4,5: magnetic snap closure and black satin synthetic lining, not unlined glove-tanned suede",
        "photo 1-6: gunmetal chain strap in plastic wrap, eyelet attachment, new condition - modern fast-fashion construction, no solid brass Coach hardware",
        "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible"
    ],
    "missing_information": [
        "photo 5: interior back wall and pockets should be photographed straight-on to confirm there is no additional brand label or serial tag",
        "photo 4: close-up of the Kurt Geiger plaque and any interior care\/material label",
        "photo 1: bottom, side seams, and chain attachment details are not fully shown"
    ],
    "authenticity_concerns": [
        "photo 4: visible Kurt Geiger branding rules out this being a Coach-made bag",
        "photo 1: ornate bird clasp and quilted design are brand-specific decorative elements, not Coach identifiers",
        "photo 3: back plaque reads KURT GEIGER LONDON - positively identifies non-Coach maker, inconsistent with any Coach era",
        "photo 1,2,6: quilted flap with crystal eagle-head clasp and gunmetal chain has no Coach counterpart in catalog"
    ],
    "possible_model_reasoning": [
        "photo 4: the readable KURT GEIGER plaque identifies the bag as Kurt Geiger rather than Coach; no Coach model match is appropriate",
        "photo 1: structured flap shoulder-bag silhouette with quilted panels and a decorative bird clasp appears modern, not a documented vintage Coach classic",
        "photo 1 and listing title: apparent brand-new condition and protective plastic on the chain support a modern item; condition appears New\/NWOT from the visible exterior, although odor, hidden defects, and full interior condition are unknown",
        "No Coach model fits: silhouette, quilted construction, eagle-head clasp, chain strap, magnetic snaps and KURT GEIGER plaque point to Kurt Geiger Kensington-style bag, not any Coach style in catalog",
        "Era reasoning: new condition with plastic on chain, synthetic lining, modern hardware = modern (2000s+) non-Coach",
        "Condition: New with tags\/wrap; plastic still on chain (photo 1,3,6), no wear visible"
    ],
    "estimated_era": "modern (2000s+), non-Coach",
    "observed_features": {
        "creed_present": false,
        "serial_or_style_number_present": false,
        "coach_wordmark_present": false,
        "turnlock_present": false,
        "hangtag_present": false,
        "creed_text": "not_visible",
        "serial_or_style_number": "not_visible",
        "hardware_description": "photo 1: bright silver-tone chain shoulder strap, circular chain attachment rings, dark\/silver decorative bird clasp, and snap closures; some chain remains in clear protective wrapping",
        "leather_description": "photo 1: black quilted, smooth-grained leather-like material with padded geometric panels; material cannot be confirmed as genuine leather from photos",
        "lining_description": "photo 5: black fabric-like lining is visible; exact fiber content and construction are not readable",
        "strap_construction": "photos 1 and 6: long chain shoulder strap attached through circular metal rings; chain is partly covered by clear protective plastic",
        "stitching_description": "photos 1-3: visible dark stitching follows the quilted panels and perimeter; some edges and seams are visible, but stitch quality is not sufficient for brand authentication"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0001,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.02,
                "vintage_probability": 0.01,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.9,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 4: rear metal plaque visibly reads KURT GEIGER, identifying a different brand",
                    "photo 1: prominent decorative owl\/eagle-style clasp and quilted geometric design do not match documented vintage Coach construction",
                    "photo 1: bright silver-tone chain strap, including chain covered in protective plastic, is inconsistent with typical vintage Coach brass-hardware classics",
                    "photo 5: black synthetic-looking textile lining is visible; no vintage Coach creed patch is shown",
                    "photo 2: hardware is bright plated silver\/black tone rather than the solid brass commonly used on vintage Coach classics",
                    "listing title: seller describes the item as brand new and unbranded, but the photos show a visible Kurt Geiger brand plaque"
                ],
                "missing_information": [
                    "photo 5: interior back wall and pockets should be photographed straight-on to confirm there is no additional brand label or serial tag",
                    "photo 4: close-up of the Kurt Geiger plaque and any interior care\/material label",
                    "photo 1: bottom, side seams, and chain attachment details are not fully shown"
                ],
                "authenticity_concerns": [
                    "photo 4: visible Kurt Geiger branding rules out this being a Coach-made bag",
                    "photo 1: ornate bird clasp and quilted design are brand-specific decorative elements, not Coach identifiers"
                ],
                "observed_features": {
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "serial_or_style_number_present": false,
                    "serial_or_style_number": "not_visible",
                    "coach_wordmark_present": false,
                    "turnlock_present": false,
                    "hangtag_present": false,
                    "hardware_description": "photo 1: bright silver-tone chain shoulder strap, circular chain attachment rings, dark\/silver decorative bird clasp, and snap closures; some chain remains in clear protective wrapping",
                    "leather_description": "photo 1: black quilted, smooth-grained leather-like material with padded geometric panels; material cannot be confirmed as genuine leather from photos",
                    "lining_description": "photo 5: black fabric-like lining is visible; exact fiber content and construction are not readable",
                    "strap_construction": "photos 1 and 6: long chain shoulder strap attached through circular metal rings; chain is partly covered by clear protective plastic",
                    "stitching_description": "photos 1-3: visible dark stitching follows the quilted panels and perimeter; some edges and seams are visible, but stitch quality is not sufficient for brand authentication"
                },
                "possible_model_reasoning": [
                    "photo 4: the readable KURT GEIGER plaque identifies the bag as Kurt Geiger rather than Coach; no Coach model match is appropriate",
                    "photo 1: structured flap shoulder-bag silhouette with quilted panels and a decorative bird clasp appears modern, not a documented vintage Coach classic",
                    "photo 1 and listing title: apparent brand-new condition and protective plastic on the chain support a modern item; condition appears New\/NWOT from the visible exterior, although odor, hidden defects, and full interior condition are unknown"
                ],
                "confidence": 0.94,
                "recommended_max_bid": 5,
                "estimated_resale_low": 10,
                "estimated_resale_high": 35
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 3: back plaque reads KURT GEIGER LONDON - positively identifies non-Coach maker, inconsistent with any Coach era",
                    "photo 1,2,6: quilted flap with crystal eagle-head clasp and gunmetal chain has no Coach counterpart in catalog"
                ],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.92,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 40,
                "estimated_resale_low": 15,
                "image_quality_score": 0.85,
                "is_handbag_probability": 0.99,
                "missing_information": [],
                "negative_evidence": [
                    "photo 3: metal plaque on back reads KURT GEIGER LONDON, not COACH",
                    "photo 1,2,6: quilted chevron flap with jeweled bird-head clasp - not a Coach silhouette or turnlock geometry",
                    "photo 4,5: magnetic snap closure and black satin synthetic lining, not unlined glove-tanned suede",
                    "photo 1-6: gunmetal chain strap in plastic wrap, eyelet attachment, new condition - modern fast-fashion construction, no solid brass Coach hardware",
                    "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gunmetal-tone chain shoulder strap through metal eyelets, still in plastic wrap; jeweled eagle-head front clasp; magnetic snaps stamped text illegible; back metal brand plaque",
                    "leather_description": "black quilted smooth material with sheen, chevron quilting on body and diamond quilting on flap, appears synthetic \/ coated, not glove-tanned cowhide",
                    "lining_description": "photo 5: black satin-like synthetic fabric lining, empty except tissue stuffing",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "visible quilted diagonal stitching, even but machine quilted, not Coach classic straight seam stitching",
                    "strap_construction": "long gunmetal chain strap threaded through eyelets, no leather shoulder strap, no buckle adjustment or dogleash clips",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: silhouette, quilted construction, eagle-head clasp, chain strap, magnetic snaps and KURT GEIGER plaque point to Kurt Geiger Kensington-style bag, not any Coach style in catalog",
                    "Era reasoning: new condition with plastic on chain, synthetic lining, modern hardware = modern (2000s+) non-Coach",
                    "Condition: New with tags\/wrap; plastic still on chain (photo 1,3,6), no wear visible"
                ],
                "possible_models": [],
                "recommended_max_bid": 15,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 28776,
            "output_tokens": 839,
            "total_tokens": 29615,
            "estimated_cost_usd": 0.013524
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 30089,
            "output_tokens": 1586,
            "total_tokens": 31675,
            "estimated_cost_usd": 0.007287
        }
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}